How many movies have Masahiko Matsuyama and Naoki Tanaka collaborated on?

They have worked on 3 movies together! Their first movie together was Summer Days with Coo (2007) while their highest rated movie together was Hutch the Honeybee (2010). They have not worked together since Crayon Shin-chan: Invoke a Storm! Me and the Space Princess (2012). They are most known for their animation films together.